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# Mandos key generator - create a new OpenPGP key for a Mandos client
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# Copyright © 2008-2014 Teddy Hogeborn
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# Copyright © 2008-2014 Björn Påhlsson
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# Copyright © 2008-2017 Teddy Hogeborn
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# Copyright © 2008-2017 Björn Påhlsson
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# This file is part of Mandos.
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# Mandos is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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# Contact the authors at <mandos@recompile.se>.
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KEYDIR="/etc/keys/mandos"
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[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) FORCE=0;;
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if [ \( -e "$SECKEYFILE" -o -e "$PUBKEYFILE" \) \
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-a "$FORCE" -eq 0 ]; then
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if { [ -e "$SECKEYFILE" ] || [ -e "$PUBKEYFILE" ]; } \
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&& [ "$FORCE" -eq 0 ]; then
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echo "Refusing to overwrite old key files; use --force" >&2
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if [ $SSH -eq 1 ]; then
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ssh_fingerprint="`ssh-keyscan localhost 2>/dev/null`"
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if [ $? -ne 0 ]; then
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ssh_fingerprint="${ssh_fingerprint#localhost }"
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for ssh_keytype in ecdsa-sha2-nistp256 ed25519 rsa; do
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ssh_fingerprint="`ssh-keyscan -t $ssh_keytype localhost 2>/dev/null`"
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if [ $err -ne 0 ]; then
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if [ -n "$ssh_fingerprint" ]; then
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ssh_fingerprint="${ssh_fingerprint#localhost }"
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# Import key into temporary key rings
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tty --quiet && stty -echo
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echo -n "Enter passphrase: " >&2
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echo -n "Enter passphrase: " >/dev/tty
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tty --quiet && echo >&2
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echo -n "Repeat passphrase: " >&2
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echo -n "Repeat passphrase: " >/dev/tty
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if tty --quiet; then
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if [ -n "$ssh_fingerprint" ]; then
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echo 'checker = ssh-keyscan %%(host)s 2>/dev/null | grep --fixed-strings --line-regexp --quiet --regexp=%%(host)s" %(ssh_fingerprint)s"'
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echo 'checker = ssh-keyscan -t '"$ssh_keytype"' %%(host)s 2>/dev/null | grep --fixed-strings --line-regexp --quiet --regexp=%%(host)s" %(ssh_fingerprint)s"'
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echo "ssh_fingerprint = ${ssh_fingerprint}"